-Requesting bids when supplier has already been chosen
-Requesting bids to get free advice and methodology
-Making false promises
-Requesting proposals without authorization

Basic ethical principles

Refers to those general judgments that serve as a basic justification for the many particular ethical prescriptions and evaluations of human actions. Three basic principles, among those generally accepted in our cultural tradition, are particularly relevant to the ethics of research involving human subjects: the principles of respect of persons, beneficence and justice.